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researcher

R. Lempel

8 papers hereh-index 294.9k citations80 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author1
  • middle author6
  • last author1

Across the 8 of 8 papers where every author was matched, so the position is known.

fields
  • cs.IR5
  • cs.LG2
  • cs.GT1

identity via Semantic Scholar / OpenAlex

activity
20112022
most citedDistributed Exploration in Multi-Armed Bandits

37 citations · 44 across the 8 of their papers we have counts for

collaborators
Showing cs.LGShow all

2 papers · 1 filter

cs.LG2013★ 37 cited

Distributed Exploration in Multi-Armed Bandits

Eshcar Hillel, Zohar Karnin, Tomer Koren +2

We study exploration in Multi-Armed Bandits in a setting where k players collaborate in order to identify an ε-optimal arm. Our motivation comes from recent employment of bandi…

cs.LG2013★ 2 cited

OFF-Set: One-pass Factorization of Feature Sets for Online Recommendation in Persistent Cold Start Settings

Michal Aharon, Natalie Aizenberg, Edward Bortnikov +6

One of the most challenging recommendation tasks is recommending to a new, previously unseen user. This is known as the 'user cold start' problem. Assuming certain features or attr…

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